How to import recorded iPhone gyro data into blender?
Download SensorLog app for your mobile device (free) and record some motion. Data can be send from device via mail or you can connect to local network. Output format is CSV.
Download add-on csv_fcurve_importer to import csv data.
Addon appear in Scene properties window.
(Works for blender 2.74)


Thanks to zeffii's comment about OSC vs. CSV formats.